Rossmanite and Fayalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Fracture
Brittle, Metallic
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
None
{010} moderate, {100} imperfect
Mohs Hardness
Not Available
6.5-7
Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Rossmanite and Fayalite Chemical Formula
While comparing Rossmanite and Fayalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Rossmanite and Fayalite chemical formula.
- Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Rossmanite and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rossmanite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 4.392 whereas that of Fayalite is 4.392.